Irwinda, R., Harzif, A. K., Prameswari, N., Hiksas, R., Lokeswara, A. W., & Wibowo, N. (2022). Serum Antibodies SARS-CoV-2 Spike (S) Protein Receptor-Binding Domain in OBGYN Residents and Effectiveness 3 Months after COVID-19 Vaccination. Open Access Macedonian Journal of Medical Sciences, 10(E), 1374–1379. https://doi.org/10.3889/oamjms.2022.9931